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USB Power

4817 Views 8 Replies 7 Participants Last post by  JohnWill
Hi everyone, I'd like to know if it's possible to keep a USB port 'on' or constantly powered. I'd like to use this to charge my mobile phone through a usb cable while the computer is off.
If it helps, my OS is Windows XP and.. I have a Motorola Razr(spell?)
Thanks for your time!

PS It's my first post. :D
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Many machines keep the USB ports powered whenever the machine is plugged in. If your machine has USB keyboard support in the BIOS, and options to startup the machine by keystroke, my guess is that the USB ports will already be powered with those options on.
Let me point out that when you connect a USB cable to a Motorola RAZR, it won't charge unless the RAZR drivers are installed! Stupidest thing I ever say, and I have no idea why it works that way.

I went on a trip with my laptop, and for some reason the drivers got corrupted, and I couldn't charge the phone. I finally found working ones on the web and got the charge function working again, but it was a lesson learned. :)
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